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Brown Butter Cookie Brownies – Gooey, Soft & Golden

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These Brown Butter Brookies combine rich, chewy brownie with gooey chocolate chip cookie — both made with nutty, golden brown butter for next-level flavor.

Ingredients

Scale

Brownie Layer:

  • 1/2 cup browned butter

  • 1/2 cup granulated sugar

  • 1/4 cup brown sugar

  • 1 large egg

  • 1 tsp vanilla extract

  • 1/3 cup unsweetened cocoa powder

  • 1/2 cup all-purpose flour

  • 1/4 tsp salt

  • 1/2 cup chocolate chunks (optional)

Cookie Layer:

  • 1/2 cup browned butter

  • 1/3 cup brown sugar

  • 2 tbsp granulated sugar

  • 1 egg yolk

  • 1 tsp vanilla extract

  • 2/3 cup all-purpose flour

  • 1/4 tsp baking soda

  • 1/4 tsp salt

  • 1/2 cup chocolate chips

Instructions

  • Brown butter and divide evenly between two bowls. Let cool.

  • For brownie layer: mix sugars and brown butter. Add egg, vanilla, cocoa, flour, salt. Stir in chocolate if using. Spread in pan.

  • For cookie layer: mix brown butter and sugars. Add yolk, vanilla, flour, soda, salt, and chocolate chips.

  • Drop cookie dough over brownie layer and spread gently.

  • Bake at 350°F for 25–30 minutes until golden and set.

  • Cool before slicing.

Notes

  • Store in airtight container at room temp or freeze up to 2 months.

  • For neat slices, chill before cutting and wipe knife between cuts.